Home / 2,912,209.90-4,367,278.05-1,315,537.90

Finding the Fourth Proportional to 2,912,209.90, 4,367,278.05 and 1,315,537.90

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Solution

The fourth proportional to 2,912,209.90, 4,367,278.05 and 1,315,537.90 is: 1,972,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,209.90 : 4,367,278.05 = 1,315,537.90 : x
  2. Step 2: Convert to fraction form
    2,912,209.90/4,367,278.05 = 1,315,537.90/x
  3. Step 3: Cross multiply
    2,912,209.90x = 4,367,278.05 × 1,315,537.90
  4. Step 4: Simplify right side
    2,912,209.90x = 5,745,319,794,613.10
  5. Step 5: Solve for x
    x = 5,745,319,794,613.10/2,912,209.90
  6. Step 6: Final answer
    x = 1,972,838.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.